The former teen idol appeared on "Oprah Where Are They Now" earlier this summer, where he revealed he was Maureen McCormick's (Marcia Brady) first kiss. He also got groovy with his on-screen mom, Florence Henderson. Check out clip below:

Speaking of Florence ... the 79-year-old actress is returning to the small screen.

Food Network announced today that she'll be competing on Season 3 of "Rachael vs. Guy: Celebrity Cook-Off," premiering in January.